时间 | 值 (亿美元) | 世界排名 |
---|---|---|
2015 | 11.4 | 90 |
2014 | 3.5 | 130 |
2013 | 6.4 | 103 |
2012 | 3.2 | 135 |
2011 | 7 | 111 |
2010 | 4 | 117 |
2009 | 1.9 | 126 |
2008 | 3.8 | 128 |
2007 | 2.1 | 136 |
2006 | 1.8 | 134 |
2005 | 0.4 | 150 |
2004 | 1.8 | 117 |
2003 | 0.5 | 143 |
2002 | 0 | 164 |
2001 | 0.1 | 158 |
2000 | 0 | 174 |
1999 | 0.4 | 130 |
1998 | 1.1 | 110 |
1997 | 0.8 | 108 |
1996 | 0.5 | 111 |
1995 | 1 | 88 |
1994 | 0.4 | 100 |
1993 | 0.1 | 128 |